Buttons with 3D text in VC ++

Use the ownerdraw style to achieve the above purpose.

1. Run Appwizard to generate a test project based on the dialog box, and add a cbutton control to the dialog box. On the general properties page of The cbutton control, change the control ID to idc_3dtextbtn, set caption to "who is crazy", select ownerdraw on the styles property page of the control, and keep the remaining settings by default.

2. Use classwizard to create a new class: c3dtextbutton. The base class is cbutton.

3. Add a protected function void draw (CDC * PDC, const crect & rect, uint State) to the c3dtextbutton class ). Write the Code as follows:

Void c3dtextbutton: Draw (CDC * PDC, const crect & rect, uint state) {cstring text; getwindowtext (text); int L = text. getlength (); crect rectclient = rect; // obtain the control font cfont * pfont = getfont (); // determine the valid height and width of the selected font logfont; pfont-> GetObject (sizeof (logfont), & logfont); If (logfont. lfheight = 0) logfont. lfheight = 20; logfont. lfwidth = 0; // set the width to 0, and the width value is determined by the height of logfont. lfweight = 1000; logfont. lfescapement = logfont. lforientat Ion = 0; cfont tryfont; Verify (tryfont. createfontindirect (& logfont); cfont * pfontold = PDC-> SelectObject (& tryfont); // adjust the font height based on the control size, coordinate the text with the control csize textsizeclient = PDC-> gettextextent (text, L); If (rectclient. width () * textsizeclient. cy> rectclient. height () * textsizeclient. CX) {logfont. lfheight =: muldiv (logfont. lfheight, rectclient. height (), textsizeclient. cy);} else {logfont. lfheight =: muldiv (logfont. lfhei Ght, rectclient. width (), textsizeclient. CX);} // create and select the coordinated font cfont font. font. createfontindirect (& logfont); PDC-> SelectObject (& font); textsizeclient = PDC-> gettextextent (text, L); // determine the distance between the text and the control boundary Minx, miny int Minx = rectclient. left + (rectclient. width ()-textsizeclient. CX)/2; int miny = rectclient. top + (rectclient. height ()-textsizeclient. cy)/2; int oldbkmode = PDC-> setbkmode (transparent); colorref textcol =: getsy Scolor (color_btntext); colorref oldtextcolor = PDC-> settextcolor (textcol); int Cx = Minx; int Cy = miny; int S = (State & ods_selected )? -1: + 1; cx + = 3; CY + = 3; // implement the 3D effect PDC-> settextcolor (: getsyscolor (color_3ddkshadow )); PDC-> textout (CX-S * 2, Cy + S * 2, text); PDC-> textout (cx + S * 2, cy-S * 2, text ); PDC-> textout (cx + S * 2, Cy + S * 2, text); PDC-> settextcolor (: getsyscolor (color_3dhilight )); PDC-> textout (cx + S * 1, cy-S * 2, text); PDC-> textout (CX-S * 2, Cy + S * 1, text ); PDC-> textout (CX-S * 2, cy-S * 2, text); PDC-> settextcolor (: getsyscolor (color_3dshadow )); PDC-> textout (CX-S * 1, Cy + S * 1, text); PDC-> textout (cx + S * 1, cy-S * 1, text ); PDC-> textout (cx + S * 1, Cy + S * 1, text); PDC-> settextcolor (: getsyscolor (color_3dlight); PDC-> textout (CX, cy-S * 1, text); PDC-> textout (CX-S * 1, Cy, text); PDC-> textout (CX-S * 1, cy-S * 1, text); PDC-> settextcolor (textcol); // output title PDC-> textout (CX, Cy, text ); // restore the device description table PDC-> settextcolor (oldtextcolor); PDC-> setbkmode (oldbkmode); PDC-> SelectObject (pfontold );}

4. Use classwizard to reload the drawitem function of the c3dtextbutton class. Write the Code as follows:

void C3dTextButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) {    CDC* pDC=CDC::FromHandle(lpDrawItemStruct->hDC);    ASSERT_VALID(pDC);    CRect rectClient=lpDrawItemStruct->rcItem;    Draw(pDC,rectClient,lpDrawItemStruct->itemState);}

5. Use classwizard to create a c3dtextbutton control variable m_3dtextbutton1 for idc_3dtextbtn.

6. Add "3dtextbutton. H" to the header file testdlg.

7. Compile and test the application. Now, let's take a look at the fruits of our work.